<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <!-- 引入react核心库 -->
  <script src="../js/react.development.js"></script>
  <!-- 引入react-dom,用于支持react操作DOM -->
  <script src="../js/react-dom.development.js"></script>
  <!-- 引入babel,用于将jsx转换为js -->
  <script src="../js/babel.min.js"></script>

  <body>
    <!-- 容器 -->
    <div id="app"></div>
  </body>

  <script type="text/babel">
    /* 此处一定要写babel */

    //模拟一些数据
    const data = ["Vue", "React", "Angular"];

    // 1.创建虚拟DOM
    const VDOM = (
      <div>
        <h1>前端JS框架列表</h1>
        <ul>
          {data.map((item) => {
            return <li key={item}>{item}</li>;
          })}
        </ul>
      </div>
    );

    //2.渲染虚拟DOM到页面上
    ReactDOM.render(VDOM, document.getElementById("app"));
  </script>
</html>
